Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.

The outer perimeter shown in broken lines in the drawings represents a display screen or portion thereof and forms no part of the claimed design. The remaining broken lines in the drawing illustrate portions of the graphical user interface that form no part of the claimed design. 

CLAIM I claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 